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KMID : 1161220220650010021
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Clinical and Experimental Pediatrics
2022 Volume.65 No. 1 p.21 ~ p.28
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Upper gastrointestinal tract involvement of Crohn disease: clinical implications in children and adolescents
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Kim Eun-Sil
Kim Mi-Jin
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Abstract
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Crohn disease (CD) is a multifactorial inflammatory disorder that can affect all segments of the gastrointestinal (GI) tract but typically involves the ileum and/or colon. To assess patient prognosis and choose appropriate treatment, it is necessary to accurately evaluate the factors influencing poor outcomes, including disease phenotype. Pediatric CD involving the upper GI (UGI) tract has become increasingly recognized with the introduction of routine upper endoscopy with biopsies for all patients and the increased availability of accurate small bowel evaluations. Most clinical manifestations are mild and nonspecific; however, UGI involvement should not be overlooked since it can cause serious complications. Although controversy persists about the definition of upper GI involvement, aphthoid ulcers, longitudinal ulcers, a bamboo joint-like appearance, stenosis, and fistula are endoscopic findings suggestive of CD. In addition, the primary histological findings, such as focally enhanced gastritis and noncaseating granulomas, are highly suggestive of CD. The association between UGI involvement and poor prognosis of CD remains controversial. However, the unstandardized definition and absence of a validated tool for evaluating disease severity complicate the objective assessment of UGI involvement in CD. Therefore, more prospective studies are needed to provide further insight into the standardized assessment of UGI involvement and long-term prognosis of CD. Our review summarizes the findings to date in the literature as well as UGI involvement in CD and its clinical implications.
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KEYWORD
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Crohn disease, Upper gastrointestinal tract, Oral cavity, Gastroduodenal disease, Small bowel
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